a sieve. n
A coarse sieve or screen. n
To cause to pass through a sieve or riddle
Resembling, or having the form of, a sieve
Perforated like a sieve
brass sieve
[医] 黄铜筛
carbon molecular sieve
[化] 碳分子筛
centisievert
(cSv)厘西弗特(=0.01Sv=1 rem)
draw water with a sieve
竹篮打水一场空
fixed-sieve jig
[化] 定筛簸淘机
gyratory sieve
[机] 回转筛
hair sieve
[化] 马尾筛
have a head like a sieve
v. 记忆力极差
have a memory like a sieve
记忆力极差,什么也记不住
ionic sieve
[化] 离子筛
kilosievert
千西弗特
Linde sieve tray
[化] 林德筛板塔板; 导向筛板
mechanical sieve shaker
[医] 机动筛
mesh sieve
[机] 筛孔
millisievert
(mSv)毫西弗特
millisieverts
(millisievert 的复数) (mSv)毫西弗特
molecular sieve
[化] 分子筛
molecular sieve based catalysts
[化] 分子筛催化剂
molecular sieve carrier
[化] 分子筛载体
molecular sieve catalyst